Shimano Dura-Ace SL-BS79 Double/Triple 10-Speed Bar End Shifters front/rear-rear (XDR) Oval ring shape is designed

Oval ring shape is designed for riders that want to adjust the power profile of their pedal stroke

Actuators are at the bottom of the post and convert the cable pull to open the piston allowing the dropper to move

275 Defined Color Black ISO Width (mm) 23 ISO Diameter 571 / 650c Tire Intended Use Road Tire Diameter 650c Tire Bead Folding

Alarm of at least 100 dB for 20 seconds

Shimano Dura-Ace SL-BS79 Double/Triple 10-Speed Bar End Shifters front/rear-rear (XDR) Oval ring shape is designedShimano Dura Ace SL BS79 Double Triple 10 Speed Bar End Shifters. Shimano Dura Ace SL BS79 Double Triple 10 Speed Bar end ShiftersThe right side rear shifter is 10 Speed index only left side front is 2 3 Speed All bar end road shifters produced after Nov 2008 have an I. D. spec fit range of 19 22mm TECH SPECS Double or Triple Double Double or Triple Triple Rear Der Shifter Compatibility Shimano Road Mount Type Bar End Mount Type Downtube Drivetrain